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BMW Engine Emission Parts

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Return Pipe

ES#2919985 - 16127224618 - Return Pipe - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2919985
Mfg#:
16127224618
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$118.99

This product was last offered at the strikethrough price on
07-21-2026

$110.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Check Valve

ES#4818552 - 1168000378 - Vacuum Check Valve - Common source of emission related issues - Bremmen Parts - BMW Mercedes Benz

Common source of emission related issues 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818552
Mfg#:
1168000378
In Stock
ON SALE! SAVE 35%
$4.99

This product was last offered at the strikethrough price on
05-02-2026

$3.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Hose Kit

ES#3108206 - 012178ECS01KT - Oil Separator Hose Kit - Assembled By ECS - BMW

10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3108206
Mfg#:
012178ECS01KT
In Stock
ON SALE! SAVE 23%
$143.99

This product was last offered at the strikethrough price on
05-02-2026

$110.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Pump

ES#25341 - 11611284269 - Air Pump - Air pump for the engine and brake booster vacuum system. - Genuine BMW - BMW

Air pump for the engine and brake booster vacuum system.

Brand:
Genuine BMW - Corporate Logo
ES#:
25341
Mfg#:
11611284269
In Stock
ON SALE!
$55.99

This product was last offered at the strikethrough price on
06-15-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Bank 2 Pre-Cat

Emissions and fuel control sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5482451
Mfg#:
11787558087
Ships on Nov 6, 2026
Auto Notify
$109.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#25933 - 11617836946 - Crankcase Vent Hose - Vacuum line for the PCV system. - Genuine BMW - BMW

Vacuum line for the PCV system.

Brand:
Genuine BMW - Corporate Logo
ES#:
25933
Mfg#:
11617836946
Ships in 6 Business Days
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$57.99

This product was last offered at the strikethrough price on
07-21-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Black

ES#3625129 - 11787539125 - Oxygen Sensor - Black - Located on the catalytic converters - FAE - BMW

Located on the catalytic converters

Brand:
FAE - Corporate Logo
ES#:
3625129
Mfg#:
11787539125
Ships on Aug 14, 2026
$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Mount - Priced Each

ES#26844 - 11727571866 - Air Pump Mount - Priced Each - Used to mount the air pump - Genuine BMW - BMW

Used to mount the air pump

Brand:
Genuine BMW - Corporate Logo
ES#:
26844
Mfg#:
11727571866
Ships in 9 Business Days
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$37.99

This product was last offered at the strikethrough price on
07-21-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Valve

ES#4609316 - 11157501567 - Crankcase Vent Valve - Commonly called PCV valve - Bremmen Parts - BMW

Commonly called PCV valve 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4609316
Mfg#:
11157501567
In Stock
ON SALE! SAVE 26%
$28.99

This product was last offered at the strikethrough price on
05-02-2026

$21.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#4845695 - 11157831311 - Crankcase Vent Hose - This runs from oil separator to the intake manifold. - Rein - BMW

This runs from oil separator to the intake manifold. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4845695
Mfg#:
11157831311
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#3673408 - 11157532629 - Crankcase Vent Hose - From oil separator to dipstick tube - Bremmen Parts - BMW

From oil separator to dipstick tube 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673408
Mfg#:
11157532629
In Stock
ON SALE! SAVE 18%
$10.99

This product was last offered at the strikethrough price on
05-02-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O Ring - Priced Each

ES#3618241 - 11617533329 - O Ring - Priced Each - Seals the PCV angle connector to the intake manifold - Bremmen Parts - BMW

Seals the PCV angle connector to the intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3618241
Mfg#:
11617533329
In Stock
ON SALE! SAVE 30%
$6.99

This product was last offered at the strikethrough price on
05-02-2026

$4.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#2731702 - 11151703484KT3 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2731702
Mfg#:
11151703484KT3
Ships on Oct 5, 2026
Auto Notify
ON SALE! SAVE 22%
$137.99

This product was last offered at the strikethrough price on
05-02-2026

$107.10 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Bosch Oxygen Sensor - 1450mm

ES#4316397 - 11781735680 - Bosch Oxygen Sensor - 1450mm - Fuel control and emissions control sensor - Bosch - BMW

Fuel control and emissions control sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4316397
Mfg#:
11781735680
In Stock at Vendor
$138.99

This product was last offered at the strikethrough price on
02-14-2026

$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel expansion tank

ES#36948 - 16131179025 - Fuel expansion tank - Fuel fume expansion tank - Genuine BMW - BMW

Fuel fume expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
36948
Mfg#:
16131179025
Ships in 9 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$109.99

This product was last offered at the strikethrough price on
07-21-2026

$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 M5 Right Oil Separator Return Hose

ES#19546 - 11151407344 - E39 M5 Right Oil Separator Return Hose - Connects to the bottom of the oil separator - Genuine BMW - BMW

Connects to the bottom of the oil separator Found on cylinders 1-4

Brand:
Genuine BMW - Corporate Logo
ES#:
19546
Mfg#:
11151407344
In Stock
ON SALE!
$13.99

This product was last offered at the strikethrough price on
06-25-2026

$13.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Emission Parts

Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.

Other BMW Engine Emission Parts

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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